CN1531497A - Reinforcing steel bar tying machine - Google Patents
Reinforcing steel bar tying machine Download PDFInfo
- Publication number
- CN1531497A CN1531497A CNA028143477A CN02814347A CN1531497A CN 1531497 A CN1531497 A CN 1531497A CN A028143477 A CNA028143477 A CN A028143477A CN 02814347 A CN02814347 A CN 02814347A CN 1531497 A CN1531497 A CN 1531497A
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- CN
- China
- Prior art keywords
- bounding wire
- wire
- handle sturcture
- bounding
- steel bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding material
- B65B13/28—Securing ends of binding material by twisting
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding material
- B65B13/28—Securing ends of binding material by twisting
- B65B13/285—Hand tools
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Basic Packing Technique (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
A final gear (23) and a ball screw shaft (24) of a rotation drive system of a binding line twist mechanism are connected by a spline and a shaft portion of a center clamp plate (26) of a binding line clamp apparatus (25) is connected to a front end of the ball screw shaft (24). A shift mechanism for moving the ball screw shaft (24) and the binding line clamp apparatus (25) in a front and rear direction by a slide motor (22) is provided. A wire (W) is wound around a reinforcing bar (S) by a binding line feed mechanism, the wire is grasped by a front end portion of the binding line clamp apparatus (25) and thereafter, a shift mechanism applies a tension to a loop of the wire by moving rearward the binding line clamp apparatus (25). The binding line clamp apparatus (25) is rotated by a twist motor (21) and the shift mechanism twists up the wire by moving forward the binding line clamp apparatus (25). Since the wire is applied with the tension and twisted, a reinforcing bar binding strength of the wire loop is stabilized.
Description
Technical field
The present invention relates to a kind of reinforcing steel bar tying machine, particularly about realizing improving the reinforcing steel bar tying machine of tying up intensity and the reinforcing steel bar tying machine of realizing the completion status that improvement is tied up.The invention still further relates to the bounding wire delivering mechanism of reinforcing steel bar tying machine in addition, particularly about the bounding wire delivering mechanism of the reinforcing steel bar tying machine that realize to improve the stability that bounding wire sends.
Background technology
Reinforcing steel bar tying machine, have: send the bounding wire of steel wire of being twisted on the spool etc. and make it be wound on bounding wire delivering mechanism on the reinforcing bar, driven handle sturcture by the handle sturcture of the bounding wire on reinforcing bar and rotation and twist the bounding wire of bounding wire and twist mechanism with holding; The order of twisting mechanism according to bounding wire delivering mechanism, handle sturcture, bounding wire by start-up function is moved, and carries out the action of tying up of a cover.
The circular arc head of reinforcing steel bar tying machine is hung on the reinforcing bar behind the pulling actuating lever, sent along the inner peripheral surface of head and around reinforcing bar, formed by bounding wire delivering mechanism, bounding wire and tied up wire loop, send the rear end that wire loop is tied up in the rotary type cutter sword cut-out in the way by being located at bounding wire, simultaneously, the a pair of thread form crotch of the handle sturcture of bounding wire close up and hold tie up wire loop after, twist mechanism's rotation by bounding wire and drive crotch, twist bounding wire and come wiretie.
But, the crotch that bounding wire is twisted mechanism hold and twist relax during bounding wire on reinforcing bar, because crotch is in the certain position rotation or the structure of the rotation while advancing, so with regard to the situation that has pair bounding wire to twist with the state that can not impose tension force, at this moment, the wire loop of tying up after tying up just can the closed contact reinforcing bar, thereby can not tie up securely.Here, just produced the technical task that must solve in order to make the tying up intensity stabilization of reinforcing bar, the present invention is the 1st purpose to solve above-mentioned problem.
In addition, reinforcing steel bar tying machine in the past, it is the state of holding the pars intermedia that leaves the front-end and back-end of tying up wire loop with a pair of crotch, if this is owing to catch near the front end of bounding wire or the place of rear end, then the front end of bounding wire or rear end can be deviate from from crotch and be encircled releasedly when crotch rotates, and can not tie up.Thereby, the leading section of the bounding wire that the part of controlling and twisting from crotch is extended and the length of rearward end lengthen, and make these parts outstanding around reinforcing bar, when cast concrete, bounding wire can be given prominence to from concrete surface, and also has the too much undesirable situation of consumption of bounding wire.
Here, just produce in order to reduce twisting the outstanding remainder of part, improve the technical task of tying up completion status and will solving as far as possible from bounding wire.The present invention is the 2nd purpose to solve above-mentioned problem.
In addition, the bounding wire delivering mechanism of reinforcing steel bar tying machine in the past, on by the driven wheel of sending electric motor driven band V-slot, mesh the driven gear of being with V-slot, at the driven gear of an end mounting strap V-slot of bar, make the driven wheel of the driven gear Elastic Contact band V-slot of band V-slot by the spring of on bar, packing into.If the bounding wire of steel wire etc. is passed in the V-slot of gear of two band V-slots, then can clamp bounding wire by the gear of intermeshing a pair of band V-slot, be sent to the head of reinforcing steel bar tying machine by the rotation of sending electrical motor, bounding wire.
In the bounding wire delivering mechanism of the reinforcing steel bar tying machine in the past of the driven wheel of one of the driven gear Elastic Contact band V-slot that makes the band V-slot by spring, the straightness accuracy of the bounding wire on being wound onto the spool of bounding wire is poor and when big with respect to the side to side vibrations of working direction, the driven gear of band V-slot is pushed to transverse direction, is thrown off with the engagement of the driven wheel of being with V-slot by bounding wire, just produces bounding wire and sends bad situation.In the bounding wire that can not send specified length, in twisting operation, then become and tie up badly, just must tie up operation, the waste that then produces bounding wire once more.Here, produce in order to improve the stability that bounding wire sends and to prevent the technical task of sending bad problem and will solving.The present invention is the 3rd purpose to solve above-mentioned problem.
Summary of the invention
The present invention proposes in order to achieve the above object, electrodynamic type reinforcing steel bar tying machine of the present invention, it is characterized in that, constitute by following part: with ring-type send bounding wire and make its on the reinforcing bar the bounding wire delivering mechanism and twist the bounding wire of bounding wire, wiretie and twist mechanism by controlling the bounding wire on the reinforcing bar with crotch etc. and driving handle sturcture by rotation; Can form the axle of above-mentioned grasping device by devices such as spline and serrations with being free to slide, setting makes the flexible sliding drive mechanism of above-mentioned handle sturcture, and is arranged on the control setup of twisting the above-mentioned sliding drive mechanism of control in the operation, the bounding wire on reinforcing bar being applied tension force.
In addition, reinforcing steel bar tying machine provided by the invention also is provided with what twisted by bounding wire that mechanism carries out and twists operation when beginning, handle sturcture is retreated and control setup that bounding wire is applied tension force and handle sturcture is advanced along with the carrying out that twists.
In addition, reinforcing steel bar tying machine provided by the invention also comprises: detect above-mentioned handle sturcture telescopic location position detecting device and control the control setup of the flexible direction of handle sturcture according to the position probing value; And control, make to make handle sturcture retreat, bounding wire is applied tension force when operation begins twisting twisting that mechanism carries out by bounding wire, and handle sturcture is advanced along with the carrying out that twists to assigned position.
In addition, reinforcing steel bar tying machine provided by the invention, also comprise: slide to drive and detect before and after by slide motor above-mentioned handle sturcture being carried out slide motor and rotation drive handle sturcture the driving load of twisting electrical motor detecting device and according to the control setup of the hand of rotation that drives load detected value control slide motor; And control, make when operation begins handle sturcture to be retreated, bounding wire is applied tension force twisting twisting that mechanism carries out by bounding wire, twisting load or the hand of rotation with slide motor of sliding when driving load and reaching higher limit reverses and above-mentioned handle sturcture is advanced.
And then, in order to achieve the above object, electrodynamic type reinforcing steel bar tying machine of the present invention, constitute by following part: send binding reinforcing bars lines such as steel wire with ring-type and make its bounding wire delivering mechanism on the reinforcing bar, the bounding wire of drive handle sturcture with the handle sturcture of holding the bounding wire on the reinforcing bar and rotation, twisting bounding wire is twisted mechanism; Constitute the bounding wire handle sturcture by the open and close type clamping piece, be provided with the sliding drive mechanism that the bounding wire handle sturcture is moved forward and backward, and be provided with the cutting knife unit on the reinforcing steel bar tying machine; By for cutting knife unit slip bounding wire handle sturcture, the bounding wire that the bounding wire handle sturcture is controlled, between bounding wire handle sturcture and cutting knife unit, cut off.
In addition, reinforcing steel bar tying machine provided by the invention, also be provided with clamp above-mentioned bounding wire handle sturcture, relative with the cutting knife unit to the slide-and-guide piece; Clamp handle sturcture by cutting knife unit and slide-and-guide piece and guide the bounding wire handle sturcture.
And then, in order to achieve the above object, the bounding wire delivering mechanism of reinforcing steel bar tying machine provided by the invention, make outer peripheral face be formed with Zhou Fangxiang V-slot the band V-slot driven wheel and with the driven gear engagement of band V-slot; And by spring, the driven gear that will the band V-slot and the driven wheel Elastic Contact of band V-slot are clamped bounding wire and are sent between the V-slot of the driven gear of the driven wheel of band V-slot and band V-slot; Along the driven wheel of a plurality of band V-slots of the path configurations of bounding wire, and to the driven wheel of a plurality of band V-slots the driven gear by spring contact zones V-slot respectively.
In addition, the bounding wire delivering mechanism of reinforcing steel bar tying machine provided by the invention, it is characterized in that: along the driven wheel of a plurality of band V-slots of the path configurations of bounding wire, simultaneously, the driven gear of a plurality of band V-slots is installed on the tooth rest, shake freedom and to the direction free sliding ground mounting teeth wheel carrier of driven wheel of band V-slot, by spring to the direction application of force of driven wheel of tooth rest to the band V-slot, the driven gear that makes a plurality of band V-slots respectively to relatively to the driven wheel of band V-slot do Elastic Contact.
Description of drawings
Fig. 1 is the sectional side view of the structural portion of expression reinforcing steel bar tying machine of the present invention.
Fig. 2 is the top plan view of the structural portion of expression reinforcing steel bar tying machine of the present invention.
Fig. 3 is the front view of the structural portion of expression reinforcing steel bar tying machine of the present invention.
What Fig. 4 (a) and Fig. 4 (b) represented is the bounding wire delivering mechanism of reinforcing steel bar tying machine, and Fig. 4 (a) is a front view, and Fig. 4 (b) is a sectional side view.
What Fig. 5 (a) to (c) represented is the bounding wire path formation operation of reinforcing steel bar tying machine, and Fig. 5 (a) is a top plan view, and Fig. 5 (b) is a front view, and Fig. 5 (c) is a sectional side view.
What Fig. 6 (a) to (c) represented is that bounding wire is sent operation, and Fig. 6 (a) is a top plan view.Fig. 6 (b) is a front view, and Fig. 6 (c) is a sectional side view.
What Fig. 7 (a) to (c) represented is that bounding wire is controlled operation, and Fig. 7 (a) is a top plan view.Fig. 7 (b) is a front view, and Fig. 7 (c) is a sectional side view.
Fig. 8 (a) to (c) expression be that the bounding wire that bounding wire is twisted mechanism retracts operation, Fig. 8 (a) is a top plan view, Fig. 8 (b) is a front view, Fig. 8 (c) is a sectional side view.
What Fig. 9 (a) to (c) represented is that bounding wire is sent operation again, and Fig. 9 (a) is a top plan view, and Fig. 9 (b) is a front view, and Fig. 9 (c) is a sectional side view.
What Figure 10 (a) to (c) represented is that bounding wire is controlled operation, and Figure 10 (a) is a top plan view, and Figure 10 (b) is a front view, and Figure 10 (c) is a sectional side view.
What Figure 11 (a) to (c) represented is that bounding wire cuts off operation, and Figure 11 (a) is a top plan view, and Figure 11 (b) is a front view, and Figure 11 (c) is a sectional side view.
What Figure 12 (a) to (c) represented is that bounding wire is tightened operation, and Figure 12 (a) is a top plan view, and Figure 12 (b) is a front view, and Figure 12 (c) is a sectional side view.
What Figure 13 (a) and Figure 13 (b) represented is to twist operation, and Figure 13 (a) is a birds-eye view, and Figure 13 (b) is a sectional side view.
What Figure 14 (a) to (c) represented is to twist completion status, and Figure 14 (a) is a top plan view, and Figure 14 (b) is a front view, and Figure 14 (c) is a sectional side view.
What Figure 15 (a) to (c) represented is that bounding wire is decontroled operation, and Figure 15 (a) is a top plan view, and Figure 15 (b) is a front view, and Figure 15 (c) is a sectional side view.
That Figure 16 represents is the 2nd embodiment, is the sectional side view of initial condition of the portion of mechanism of expression reinforcing steel bar tying machine.
Figure 17 be expression Figure 16 reinforcing steel bar tying machine tie up the sectional side view of tightening operation.
Figure 18 is the sectional side view of the portion of mechanism of expression reinforcing steel bar tying machine of the present invention.
Figure 19 is the top plan view of the portion of mechanism of expression reinforcing steel bar tying machine of the present invention.
Figure 20 is the front view of the portion of mechanism of expression reinforcing steel bar tying machine of the present invention.
Figure 21 (a) is to (f), wherein Figure 21 (a) is the front view of right clamping piece, Figure 21 (b) is the lateral plan of right clamping piece, Figure 21 (c) is the front view of central clamping piece, Figure 21 (d) is the lateral plan of central clamping piece, Figure 21 (e) is the front view of left clamping piece, and Figure 21 (f) is the lateral plan of left clamping piece.
What Figure 22 (a) to (c) represented is the initial condition of twisting portion of mechanism, and Figure 22 (a) is a birds-eye view, and Figure 22 (b) is a front view, and Figure 22 (c) is a sectional side view.
What Figure 23 (a) to (c) represented is the operation of sending of bounding wire, and Figure 23 (a) is a birds-eye view, and Figure 23 (b) is a front view, and Figure 23 (c) is a sectional side view.
What Figure 24 (a) to (c) represented is the operation that retracts of bounding wire, and Figure 24 (a) is a birds-eye view, and Figure 24 (b) is a front view, and Figure 24 (c) is a sectional side view.
What Figure 25 (a) to (c) represented is the operation of controlling of bounding wire, and Figure 25 (a) is a birds-eye view, and Figure 25 (b) is a front view, and Figure 25 (c) is a sectional side view.
What Figure 26 (a) to (c) represented is the cut-out operation of bounding wire, and Figure 26 (a) is a birds-eye view, and Figure 26 (b) is a front view, and Figure 26 (c) is a sectional side view.
What Figure 27 (a) and Figure 27 (b) represented is the operation of twisting of bounding wire, and Figure 27 (a) is a front view, and Figure 27 (b) is a sectional side view.
What Figure 28 (a) and Figure 28 (b) represented is the completion status of twisting of bounding wire, and Figure 28 (a) is a front view, and Figure 28 (b) is a sectional side view.
What Figure 29 (a) to (c) represented is the relieving operation of clamping piece, and Figure 29 (a) is a birds-eye view, and Figure 29 (b) is a front view, and Figure 29 (c) is a sectional side view.
Among the figure: 1,302-bounding wire delivering mechanism, 2, the 301-bounding wire is twisted mechanism, and 6,306-circular arc head, the 7-substrate, 8, the driven wheel of 9-band V-slot, 10, the driven gear of 11-band V-slot, 12-intermediate gear, 13,333-sends electrical motor, the 14-reducing gear, the 15-tooth rest, 16-slotted hole, 17-pin, the 18-bar, the 19-spring perch, 20-compression coil spring, 21,307-twists electrical motor, 22, the 308-slide motor, the final gear of 23-, 24,33, the 311-ballscrew shaft, 25,312-bounding wire fixing device, 26,314-central authorities clamping piece, 27, the right clamping piece of 313-, 28,315-left side clamping piece, 29, the 316-sleeve, 30, the 34-pressure ring, the protruding wing of 31-spline, 32, the 326-changeover panel, 35-guide finger (central clamping piece), 36,37-guide finger (sleeve), 38-flute profile flange (left and right sides clamping piece), 39-guide groove (right clamping piece), 40-recess (left clamping piece), 304-cutting knife unit, 305-bounding wire pilot hole, 317-bounding wire guide groove, 318-recess, 319,320, the 323-guide finger, 321,322-flute profile flange, 324-pin-and-hole, 335-slide-and-guide piece.
The specific embodiment
Below, the 1st embodiment of the present invention is described in detail with reference to the accompanying drawings.Fig. 1 to Fig. 3 represents is that the bounding wire delivering mechanism 1 and the bounding wire of reinforcing steel bar tying machine twisted mechanism 2, identical with handheld tools such as nailing machines, in be contained in the housing (not shown) with clamp.Be wound onto the steel wire on the steel wire axle (not shown), by bounding wire delivering mechanism 1, the bounding wire pilot hole 5 that passes the cutting knife unit 4 that is located on the head 3 supplies to circular arc head 6.
What Fig. 4 represented is bounding wire delivering mechanism 1, on substrate 7, along the working direction of the steel wire W driven wheel 8,9 at front and back configuration band V-slot, is meshing the driven gear 10,11 with V-slot respectively on the driven wheel 8,9 of former and later two band V-slots.The driven wheel 8,9 of two band V-slots and intermediate gear 12 engagements, from sending electrical motor 13, transmitting power by reducing gear 14 and intermediate gear 12, the driven wheel 8,9 of two band V-slots rotates synchronously.
The driven gear 10,11 of former and later two band V-slots is installed on the tooth rest 15 of crank bell shape.At the pars intermedia of tooth rest 15, be formed with the slotted hole 16 on the direction vertical with the transport direction of steel wire, make the pin 17 that is located on the substrate 7 cooperate, shake fixed teeth wheel carrier 15 freely all around with slotted hole 16.Mounting rod 18 on substrate 7, with the rearward end (right part among the figure) of the leading section and the tooth rest 15 of pin union link 18.In the rearward end of bar 18 be located on the spring perch 19 on the substrate 7, the compression coil spring 20 of packing into, elastic force by compression coil spring 20, the leading section of bar 18 and tooth rest 15, by the direction of driven wheel 8,9 of top to the band V-slot, the driven gear 10,11 that makes two band V-slots is the driven wheel 8,9 of contact zones V-slot flexibly respectively.
When using reinforcing steel bar tying machine, the rearward end of depression bar 18 if press...with one's finger, bar 18 is rotated, then tooth rest 15 retreats, the driven gear 10 of two band V-slots, 11 leave the driven wheel 8 of band V-slot, 9, make the driven wheel 8 of the leading section of the steel wire W that pulls out from steel wire axle at the band V-slot, 9 and the band V-slot driven gear 10, pass through between 11, when the pushing of relieving rod 18, driven wheel 8 at the band V-slot, 9 and the band V-slot driven gear 10, clamp steel wire W between 11 V-slot, simultaneously with the driven wheel 8 of V-slot, 9 and V-slot driven gear 10,11 are meshed, and prepare thereby carry out to use.
Under the situation of the straightness accuracy difference of steel wire, when the driven gear 10 of the driven wheel 8 of the band V-slot of upstream side (among the figure following) and band V-slot is drawn in steel wire, the driven gear 10 of band V-slot is pressed to transverse direction, leave the driven wheel 8 of band V-slot, but at this moment tooth rest 15 is that fulcrum shakes with pin 17, the driven gear 11 of the band V-slot of downstream side still meshes with the driven wheel 9 of being with V-slot, continues sending of steel wire W.In addition, even under the situation of being thrown off by the driven wheel 9 and the engagement of the driven gear 11 of band V-slot concavo-convex, that make downstream side band V-slot of the part of the steel wire of the driven gear 10 of driven wheel by upstream side band V-slot 8 and band V-slot, the driven gear 10 of the driven wheel 8 of upstream side band V-slot and band V-slot still meshes and does not stop to send of steel wire.
Then, twisting mechanism 2 with regard to bounding wire describes.As depicted in figs. 1 and 2, bounding wire is twisted mechanism 2 and is had the electrical motor of twisting 21 and 22 two electrical motors of slide motor, twists electrical motor 21 and drives final gear 23 by the reducing gear row.Centre hole spline at final gear 23 is entrenched on the ballscrew shaft 24.Ballscrew shaft 24 forms outside thread at leading section, in its front end rotation freely in conjunction with as the axial region of the central clamping piece 26 of the part of bounding wire fixing device 25.Bounding wire fixing device 25, by central clamping piece 26, with be configured in central clamping piece 26 about clamping piece 27,28, constitute with the leading screw pressure ring 30 that is entrenched in the sleeve 29 that covers three clamping pieces 26,27,28 and is entrenched in the rear end of sleeve 29, be embedded into the outside thread engagement of ball (not shown) and ballscrew shaft 24 in the hole of sleeve 29.
When twisting electrical motor 21 when positive dirction is rotated, rotation, sleeve 29 by ballscrew shaft 24 retreat.On the periphery of leading screw pressure ring 30, disposing the protruding wing 31 of spline radially, in front position as initial position, go up the protruding wing 31 of spline that engages leading screw pressure ring 30 at the spline pawl (not shown) that is arranged on the housing, make bounding wire fixing device 25 be in the state that can not rotate.
At the pars intermedia of ballscrew shaft 24, the changeover panel 32 that rotates freely with respect to ballscrew shaft 24 is installed.Changeover panel 32 is connected with leading screw pressure ring 34 in the ballscrew shaft 33 that is screwed into slide motor 22, and according to the hand of rotation of slide motor 22, ballscrew shaft 24 and bounding wire fixing device 25 that bounding wire is twisted mechanism 2 move forwards, backwards.
Left and right sides clamping piece 27,28 can slide to the left and right abreast along the guide finger 35 that is arranged on the central clamping piece 26, is arranged on the guide finger 36,37 of clamping piece 27,28, cooperates with the flute profile flange 38 that inner peripheral surface at sleeve 29 forms.Flute profile flange 38, when sleeve 29 retreats about clamping piece 27,28 be mutually approaching flange shape, last, about clamping piece 27,28 clamp central clamping piece 26.
Below, the action of reinforcing steel bar tying machine is described.Fig. 1 to Fig. 3 represents initial condition, when from this state pulling starter, twists electrical motor 21 to the rotation of positive dirction as prescribed rotating speed, and as shown in Figure 5, sleeve 29 retreats, the clamping piece about closure 27,28 gently.See on the clamping piece 27 of right side (top of Fig. 5 (a)) from the operator, be formed with the bounding wire guide groove 39 that the formation steel wire is sent path.The clamping piece 28 in left side forms the slotted recess 40 that reaches the lower end from the top of medial surface, sends in the operation at steel wire next time, and steel wire is directed to the recess 40 of clamping piece 28 from the below.
Then, as shown in Figure 6, electrical motor 13 is sent in starting, by the driven wheel 8,9 of front and back two pairs of bands V-slot and the rotation of V-slot driven gear 10,11, pass the guide groove 39 of clamping piece 27 on right side and the steel wire W that transfers out to circular arc head 6, along the guide groove shape in interior week of circular arc head 6 and looped-shaped bending, front end enters in the recess 40 from the lower aperture of the clamping piece 28 in left side, runs into the top of recess 40 and stops.The sendout of steel wire W is controlled by control setup (not shown).In addition, S is a reinforcing bar.
After sending electrical motor 13 and stopping, twisting electrical motor 21 startings, as shown in Figure 7, sleeve 29 further retreats, and the clamping piece 28 in left side is clamped the leading section of steel wire W with central clamping piece 26 crimping.Then, as shown in Figure 8, contrary rotation drive send electrical motor 13 retract steel wire W, with after steel wire W is on the reinforcing bar S, as shown in Figure 9, positive rotation drives sends electrical motor 13, only steel wire W is sent specified length.This is for no matter the thickness of the tendon that is tied and to make the surplus of twisting of steel wire W be certain length makes the overhang of kink part even.
And as shown in figure 10, sleeve 29 further retreats, by about clamping piece 27,28 and central clamping piece 26 clamp steel wire W securely, as shown in figure 11, positive rotation drives slide motor 22, and ballscrew shaft 24 and bounding wire fixing device 25 are retreated.Green phase is for the bounding wire pilot hole 5 parallel mobile bounding wire fixing devices 25 of cutting knife unit 4, cuts off steel wire W in the position of the sliding surface of the guide groove 39 of left clamping piece 27 and bounding wire pilot hole 5.
And as shown in figure 12, bounding wire fixing device 25 further retreats, and W gives tension force to steel wire, and the increase by the driving of slide motor 22 is loaded makes slide motor 22 stop when drive current reaches the set upper limit value.In addition, tighten in the operation, also can make bounding wire fixing device 25 rotation half-turns earlier, retreat again after intersecting with the steel wire W that is controlled at this.
Then, positive rotation drives twists electrical motor 21, the protruding wing 31 of spline of the leading screw pressure ring 30 that retreats from initial position is thrown off from the spline pawl of housing, so as shown in figure 13,25 rotations of bounding wire fixing device, simultaneously, contrary rotation drives slide motor 22, ballscrew shaft 24 and bounding wire fixing device 25 are advanced, when bounding wire fixing device 25 is near reinforcing bar S, twist steel wire W.
And, as shown in figure 14,, the driving of twisting electrical motor 21 and slide motor 22 is stopped by when having advanced predetermined distance or in the increase of twisting the driving load of twisting electrical motor 21 when finishing.Then, as shown in figure 15, make and twist electrical motor 21 contrary rotations, make the clamping piece 27,28 about sleeve 29 advances, opens, behind the steel wire W that relieving is tied up, electrical motor 21 and slide motor 22 are twisted in control, make bounding wire fixing device 25 turn back to initial position, finish a cover and tie up action.
In addition, the amount of moving forward and backward of bounding wire fixing device 25 can detect according to the rotating speed of slide motor 22, when bounding wire fixing device 25 reaches the place ahead initial position, slide motor 22 is stopped.In addition, by detecting slide motor 22 and twisting the drive current of electrical motor 21, stop when drive current reaches higher limit before the amount of movement of bounding wire fixing device 25 reaches setting value or reverse and enter subsequent processing ground and control, can prevent from steel wire is applied excessive tension force and makes its fracture.
In addition, also can be based on the drive current detected value, steel wire W is applied certain force of strain, the drive current of electrical motor 21 and slide motor 22 and the hand of rotation of slide motor 22 are twisted in the control of feedback ground, at this moment, in the time of with tightening operation and begin among Fig. 9, the rotation of beginning bounding wire fixing device 25, at the initial stage of twisting bounding wire fixing device 25 is retreated, can according to Tension Control make bounding wire fixing device 25 before and then turn back to and twist the completing place, can make the speed high speed of a cover action thereafter.
Figure 16 represents the 2nd embodiment, on the leading screw pressure ring 34 that connects changeover panel 32, slit plate 41 is installed, constitute the optical position sensors by slit plate 41 and the Photo Interrupter 42 that is configured on the framework (not shown), carry out the drive controlling of slide motor 22 by the front and back position of slit plate 41 detection bounding wire fixing devices 25.Figure 16 represents initial condition, and is same as the previously described embodiments, and positive rotation drives slide motor 22 after controlling steel wire, as shown in figure 17, makes ballscrew shaft 24 and bounding wire fixing device 25 retreat into assigned position, applies tension force and cut-out steel wire.In the process of twisting, reverse and drive slide motor 22, bounding wire fixing device 25 is advanced, when bounding wire fixing device 25 turns back to initial position, slide motor 22 is stopped.
In addition, the alteration of form of the flute profile flange 38 by sleeve 29, in the clamping operation of Fig. 7, left and right sides clamping piece 27,28 is clamped steel wire W simultaneously, also can omit the clamping operation of steel wire rearward end shown in Figure 10.In addition, though in the above-described embodiment, on left and right sides clamping piece 27,28, form flute profile flange 38, guide finger 36,37 is set on sleeve 29, but in contrast, also can form the flute profile flange on the sleeve 29, on left and right sides clamping piece 27,28, guide finger is being set.
In addition, if not making the surplus of twisting of steel wire W is that certain-length and making is twisted necessity that the overhang of part is evenly controlled, the steel wire that the steel wire that also can omit Fig. 8 retracts operation, Fig. 9 is sent operation and the tightening operation of Figure 12 again and is made a cover responsiveness high speed, also can switch common pattern and above-mentioned high speed motion pattern as required.
In addition, the present invention is not limited to the foregoing description, though be that example is illustrated with the steel wire as bounding wire, also can be the wire rod beyond the metal steel wire.In addition, can carry out all changes in the technical scope of this invention, the present invention has also comprised the content of these changes certainly.
Below, embodiment of the present invention 3 is elaborated according to accompanying drawing.Figure 18 to Figure 20 represents is that the bounding wire of reinforcing steel bar tying machine is twisted mechanism 301 and bounding wire delivering mechanism 302, and handheld tool such as they and nailing machine is same, in be contained in the housing (not shown) with clamp.Twisted in the steel wire on the steel wire axle (not shown), passed the bounding wire pilot hole 305 of the cutting knife unit 304 that is located on the head 303, be fed into circular arc head 306 from bounding wire delivering mechanism 302.
Bounding wire is twisted mechanism 301, has 308 two electrical motors of electrical motor of twisting 307 and slide motor, twists electrical motor 307 and drives final gear 310 by reducing gear 309.In the centre hole of final gear 310, the chimeric ballscrew shaft 311 of spline, the front end of ballscrew shaft 311 rotate freely in conjunction with bounding wire fixing device 312.
Figure 21 (a) to (f) expression is as three clamping pieces 313,314,315 of the bounding wire fixing device 312 of bounding wire handle sturcture, on the central clamping piece 314 of the front end that connects fixing device 312, combined right clamping piece 313 and left clamping piece 315, and as shown in figure 19, be encased in the inside of sleeve 316.As Figure 21 (a) (b) shown in, on the medial surface of right clamping piece 313, be formed with the bounding wire guide groove 317 of sending path that constitutes bounding wire, bounding wire guide groove 317, its bottom has the diameter width about equally with bounding wire, and top is width expansion, makes the shape of decontroling previously.As Figure 21 (e) (f) shown in, on the medial surface of left clamping piece 315, near the recess 318 of the flute profile being formed with from the lower end to the upper end similarly makes the front of recess 318 decontrol with the bounding wire guide groove 317 of right clamping piece 313.
On the rear portion of right clamping piece 313 and below the rear portion of left clamping piece 315, guide finger 319,320 is set respectively.As shown in figure 19, on the sleeve 316 of fixing three clamping pieces 313,314,315, form the flute profile flange 321,322 of the guide finger 319,320 of corresponding left and right sides clamping piece 313,315, make sleeve 316 when the place ahead initial position retreats, left and right sides clamping piece 313,315 is approaching mutually, clamps central clamping piece 314.In addition, by the medial surface at right clamping piece 313 guide finger 323 is set and make guide finger 323 and be arranged on central clamping piece 314 on pin-and-hole 324 cooperate, can prevent rocking of the right clamping piece 313 of bounding wire fixing device 312 when moving forward and backward, prevent the decline of the cut-out ability in the operation of cutting off at bounding wire described later.
As shown in figure 18, sleeve 316 is embedded in the ballscrew shaft 311, has the leading screw pressure ring 325 of the protruding wing 325a of spline, is entrenched in the rearward end of sleeve 316.Reversing electrical motor 307 when positive dirction is rotated, rotation, sleeve 316 by ballscrew shaft 311 retreat.In the front position as initial position, to being arranged on the protruding wing 325a of spline of spline pawl (not shown) the engaging leading screw pressure ring 325 on the housing, bounding wire fixing device 312 is in can not slew mode.
At the pars intermedia of ballscrew shaft 311, be installed with for ballscrew shaft 311 and rotate changeover panel 326 freely.Changeover panel 326 is connected with the leading screw pressure ring 328 of the ballscrew shaft 327 that is entrenched in slide motor 308, and ballscrew shaft 311 and bounding wire fixing device 312 that the hand of rotation of corresponding slide motor 308, bounding wire are twisted mechanism 301 move forwards, backwards.
As shown in figure 20, bounding wire delivering mechanism 302, constitute by being configured in along the driven wheel 329,330 of two band V-slots of the front and back of the working direction of steel wire with the driven gear 331,332 of two bands of driven wheel 329,330 ingears V-slot of band V-slot, the driven wheel 329,330 of two band V-slots from shown in Figure 180 send electrical motor 333, by reducing gear row 334 transmission power, clamp steel wire and it sent by the driven gear 331,332 of the driven wheel 329,330 of band V-slot and band V-slot.
What Figure 22 (a) to (c) represented is the initial condition of reinforcing steel bar tying machine, bounding wire fixing device 312 and sleeve 316 are in the place ahead initial position, left and right sides clamping piece 313,315 is opened, and the bounding wire guide groove 317 of right clamping piece 313 coincide in the bounding wire pilot hole 305 of cutting knife unit 304.Above cutting knife unit 304, be provided with slide-and-guide piece 335, clamp the upper and lower surface of bounding wire fixing device 312 by cutting knife unit 304 and slide-and-guide piece 335, between bounding wire fixing device 312 and cutting knife unit 304, do not produce the space, cut off the stable of performance and reach bounding wire.
Below, the action of reinforcing steel bar tying machine is described.To spur starter at the initial condition shown in Figure 22 (a) to (c), twist electrical motor 307 to positive dirction rotation regulation revolution, shown in Figure 23 (a) to (c), sleeve 316 retreats, left and right sides clamping piece 313,315 closes up gently, but left and right sides clamping piece 313,315 closed contact central authorities clamping piece 314 not.Then, starting bounding wire delivering mechanism 1 send electrical motor 333, by the driven wheel 329,330 of front and back two pairs of bands V-slot and the rotation of being with the driven gear 331,332 of V-slot, the steel wire W that passes the bounding wire guide groove 317 of the bounding wire pilot hole 305 of cutting knife unit 304 and right clamping piece 313, goes out to circular arc head 306 Unwinding, do the bending of ring-type by the guide groove shape in interior week of circular arc head 306, front end enters in the recess 318 from the lower aperture of left clamping piece 315, runs into the top of recess 318 and stops.The sendout of steel wire W is controlled by control setup (not shown).In addition, S is a reinforcing bar.
After sending electrical motor 333 and stopping, the electrical motor 307 of twisting that bounding wire is twisted mechanism 301 starts, shown in Figure 24 (a) to (c), sleeve 316 further retreats, at the left clamping piece 315 central clamping pieces 314 of contact and when clamping the front end of steel wire W, contrary rotation drives sends electrical motor 333, retracts steel wire W, with steel wire W on reinforcing bar S.
Then, shown in Figure 25 (a) to (c), sleeve 316 further retreats, and right clamping piece 313 also closes up and clamps steel wire W securely, and positive rotation drives slide motor 308, shown in Figure 26 (a) to (c), bounding wire fixing device 312 is retreated.By the steel wire W that controls by bounding wire fixing device 312 bounding wire pilot hole 305 parallel moving, cut off the rearward end of the steel wire W on the reinforcing bar S with respect to cutting knife unit 304.
And, shown in Figure 27 (a) and Figure 27 (b), driving by positive rotation and to twist electrical motor 307, the protruding wing 325a of spline of the leading screw pressure ring 325 that retreats from initial position leaves from the spline pawl on the housing, 312 rotations of bounding wire fixing device, twists steel wire W.What Figure 28 (a) and Figure 28 (b) represented is the state of finishing of twisting, and owing to clamping the front-end and back-end of steel wire ring and twisting, so tie the length weak point of the remainder of part extension from tying up of steel wire, the state of finishing is beautiful.
Then, twisting electrical motor 307 by contrary rotation advances sleeve 316, shown in Figure 29 (a) to (c), left and right sides clamping piece 313,315 is opened, after decontroling the steel wire W that is controlled, electrical motor 307 and slide motor 308 are twisted in control, make bounding wire fixing device 312 turn back to the initial position shown in Figure 22 (a) to (c), finish a cover and tie up action.
Above embodiment, be the structure that bounding wire fixing device 312 is slided forwards, backwards by slide motor 308, but also can be for not using slide motor 308 by the rotation of twisting electrical motor 307 and ballscrew shaft 311, the formation that makes bounding wire fixing device 312 slide forwards, backwards and cut off the monomotor of bounding wire.In addition, for bounding wire fixing device 312, on sleeve 316, form flute profile flange 321,322, the guide finger 319,320 of left and right sides clamping piece 313,315 is engaged on the flute profile flange 321,322, but can be the structure that on left and right sides clamping piece 313,315, forms the flute profile flange, guide finger is set on sleeve 316 in contrast also.In addition, be that example is illustrated with the steel wire as bounding wire, but also can be the wire rod beyond the metallic steel silk.
In addition, the present invention is not limited to the foregoing description, can carry out all changes in the technical scope of this invention, and the present invention also comprises the content of these changes certainly.
The content of the Japanese patent application (special Willing 2001-225201) of the Japanese patent application that the application applied for based on July 19 calendar year 2001 (a special 2001-220598), application on July 25 calendar year 2001 and the Japanese patent application (special Willing 2001-241342) of application on August 8 calendar year 2001, its content here is taken into as reference.
(utilizability on the industry)
As described above, reinforcing steel bar tying machine of the present invention, by the bounding wire delivering mechanism to by around steel After the grasping device that bounding wire on the muscle is twisted mechanism with bounding wire is controlled, dwindle grasping device is installed Twist axle, twist with the state that bounding wire is applied tension force, so tie up the binding reinforcing bars intensity of wire loop Stable, can prevent from tying up bad.
In addition, twisting operation when beginning, by dwindle above-mentioned rotating shaft to bounding wire apply tension force, And follow to twist and make and twist elongate axis, can carry out bounding wire and not break and stable tying up.
And then this controls machine because the reinforcing steel bar tying machine of invention consists of bounding wire by the open and close type clamping plate Structure slides the bounding wire handle sturcture, cuts off bounding wire at the end face of clamping plate, so tie up making Bundle of lines holds twisting in the operation of mechanism rotation, can twist near the two ends of bounding wire, with in the past Reinforcing steel bar tying machine difference, the two ends of bounding wire are outstanding around the reinforcing bar, can obtain good complete The one-tenth state.
In addition, clamping plate by being clamped the bounding wire handle sturcture by cutting knife unit and slide-and-guide piece Upper and lower surface makes clamping plate slide along the cutting knife unit, between not producing between clamping plate and the cutting knife unit Crack and make bounding wire cut off stable performance.
And then, about the bounding wire delivering mechanism of reinforcing steel bar tying machine of the present invention, owing to send at bounding wire Go out on the road, dispose the delivering mechanism of the gear of two groups of band V-type grooves in front and back, so even by bundle The bending of binding and the engagement with the gear of V-type groove of upstream side is thrown off, but because downstream side Gear with the V-type groove still is in engagement, does not stop or becoming unsettled so do not have to send Situation can be controlled the sendout of bounding wire for certain, improves the performance of tying up of reinforcing steel bar tying machine.
Claims (8)
1. a reinforcing steel bar tying machine is characterized in that, is made of following part:
With ring-type send bounding wire and make its on the reinforcing bar the bounding wire delivering mechanism and
Have the axle that can be free to slide and control the bounding wire on the reinforcing bar handle sturcture and
By rotation drive described handle sturcture twist the bounding wire of bounding wire, wiretie twist mechanism and
Make sliding drive mechanism that described handle sturcture stretches and
The described sliding drive mechanism of control and the bounding wire on reinforcing bar is applied the control part of tension force in twisting operation.
2. according to the described reinforcing steel bar tying machine of claim 1, it is characterized in that, also comprise: twist operation when beginning, described handle sturcture retreated and control part that bounding wire is applied tension force and described handle sturcture is advanced along with the carrying out that twists what twist by described bounding wire that mechanism carries out.
3. according to the described reinforcing steel bar tying machine of claim 1, it is characterized in that: also comprise:
Detect described handle sturcture telescopic location position detecting device and
Control the control part of the flexible direction of described handle sturcture according to the position probing value;
And control, make to make described handle sturcture retreat, bounding wire is applied tension force when operation begins twisting twisting that mechanism carries out by described bounding wire, and described handle sturcture is advanced along with the carrying out that twists to assigned position.
4. according to the described reinforcing steel bar tying machine of claim 1, it is characterized in that: also comprise:
Slide motor and
Twist electrical motor and
The test section of the described driving load of twisting electrical motor that slide to drive and detect that described slide motor and rotation drive described handle sturcture before and after by described slide motor described handle sturcture being carried out and
Control the control part of the hand of rotation of described slide motor according to driving the load detected value;
And control, make to make described handle sturcture retreat, bounding wire is applied tension force when operation begins twisting twisting that mechanism carries out by described bounding wire, twisting load or the hand of rotation with described slide motor of sliding when driving load and reaching higher limit reverses and described handle sturcture is advanced.
5. a reinforcing steel bar tying machine is characterized in that, is made of following part:
With ring-type send bounding wire and make its on the reinforcing bar the bounding wire delivering mechanism and
By the open and close type clamping piece constitute, hold the bounding wire on the reinforcing bar handle sturcture and
The bounding wire that rotation drives described handle sturcture, twist bounding wire twist mechanism and
Make sliding drive mechanism that described handle sturcture moves forwards, backwards and
The cutting knife unit;
By described handle sturcture is slided with respect to described cutting knife unit, between described handle sturcture and described cutting knife unit, cut off the bounding wire that described handle sturcture is controlled.
6. according to the described reinforcing steel bar tying machine of claim 5, it is characterized in that: also comprise clamp described handle sturcture, relative with described cutting knife unit to the slide-and-guide piece;
Clamp described handle sturcture by described cutting knife unit and described slide-and-guide piece and guide described handle sturcture.
7. the bounding wire delivering mechanism of a reinforcing steel bar tying machine, it is characterized in that: by a plurality of driven wheels of the V-slot that has Zhou Fangxiang at outer peripheral face, constitute with the V-slot that has Zhou Fangxiang at outer peripheral face and with a plurality of driven gears of described driven wheel ingear and spring
By described spring, with described driven gear and described driven wheel Elastic Contact, between the V-slot of described driven wheel and described driven gear, clamp bounding wire and send,
Along the described a plurality of driven wheels of the path configurations of bounding wire, and described a plurality of driven wheels are contacted described driven gear by described spring respectively.
8. according to the bounding wire delivering mechanism of the described reinforcing steel bar tying machine of claim 7, it is characterized in that: also comprise tooth rest;
Described a plurality of driven gears are installed on the described tooth rest, shake freedom and described tooth rest is installed to the direction free sliding ground of described driven gear, by described spring described tooth rest is granted power to described driven wheel direction, make described a plurality of driven gear to Elastic Contact respectively relatively to described driven wheel.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001220598A JP4747452B2 (en) | 2001-07-19 | 2001-07-19 | Rebar binding machine |
| JP220598/2001 | 2001-07-19 | ||
| JP2001225201A JP4729817B2 (en) | 2001-07-25 | 2001-07-25 | Rebar binding machine |
| JP225201/2001 | 2001-07-25 | ||
| JP241342/2001 | 2001-08-08 | ||
| JP2001241342A JP4729822B2 (en) | 2001-08-08 | 2001-08-08 | Bundling wire feed mechanism for reinforcing bar binding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1531497A true CN1531497A (en) | 2004-09-22 |
| CN1297442C CN1297442C (en) | 2007-01-31 |
Family
ID=27347199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028143477A Expired - Fee Related CN1297442C (en) | 2001-07-19 | 2002-07-18 | Reinforcing steel bar tying machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7143792B2 (en) |
| EP (1) | EP1415917B1 (en) |
| CN (1) | CN1297442C (en) |
| AU (1) | AU2002318747B2 (en) |
| TW (1) | TW529984B (en) |
| WO (1) | WO2003010048A1 (en) |
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- 2002-07-19 TW TW091116127A patent/TW529984B/en not_active IP Right Cessation
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2002318747B2 (en) | 2008-02-21 |
| TW529984B (en) | 2003-05-01 |
| EP1415917A1 (en) | 2004-05-06 |
| EP1415917A4 (en) | 2009-05-20 |
| EP1415917B1 (en) | 2017-09-06 |
| WO2003010048A1 (en) | 2003-02-06 |
| CN1297442C (en) | 2007-01-31 |
| US20040244866A1 (en) | 2004-12-09 |
| US7143792B2 (en) | 2006-12-05 |
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